1457431446 has 8 divisors (see below), whose sum is σ = 2914862904. Its totient is φ = 485810480.

The previous prime is 1457431439. The next prime is 1457431447. The reversal of 1457431446 is 6441347541.

It is a sphenic number, since it is the product of 3 distinct primes.

1457431446 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457431447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121452615 + ... + 121452626.

It is an arithmetic number, because the mean of its divisors is an integer number (364357863).

Almost surely, 2^1457431446 is an apocalyptic number.

1457431446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457431446 is a wasteful number, since it uses less digits than its factorization.

1457431446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242905246.

The product of its digits is 161280, while the sum is 39.

The square root of 1457431446 is about 38176.3204879674. The cubic root of 1457431446 is about 1133.7815320895.

Adding to 1457431446 its reverse (6441347541), we get a palindrome (7898778987).

The spelling of 1457431446 in words is "one billion, four hundred fifty-seven million, four hundred thirty-one thousand, four hundred forty-six".